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Not able to call External User in Teams

IBN 4,476 Reputation points
2022-10-06T10:01:52.977+00:00

Hello

Please i need your help on this issue.

One of our user is not able to call in Teams , one External User.

I can see that we have enabled access for External users in our Teams admin page.

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Microsoft Teams | Microsoft Teams for business | Other

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  1. SokiGuo-MSFT 31,536 Reputation points Microsoft External Staff
    2022-10-07T08:17:33.243+00:00

    Hi @IBN
    According to your description, I have the following questions to confirm with you：

    1. Does the same problem exist when you use the web client?
    2. What is the license type for the user? If it is a Microsoft Teams Free (classic) license, external access will not be supported.
    3. Is the domain of the external user in the whitelist? Set Allow external domains as shown in the following figure.

    248462-image.png

    Besides, we recommend that you check Blocked Calls in Settings Privacy as shown below.

    248357-image.png

    For more details about external access, you could refer to this article.
    248471-image.png

    If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
    Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.

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